clear; clc; ab=integrate('2*sin(P)','P',%pi/3,%pi/6); bc=(3^.5 /2)*integrate('p','p',2,5); Cd=integrate('5*sin(P)','P',%pi/6,%pi/3); da=.5*integrate('p','p',5,2); C1=ab+bc+Cd+da; disp(C1, 'C1='); C2=integrate('sin(Q)','Q',%pi/6,%pi/3)*integrate('(1+p)','p',2,5); disp(C2,'C2='); disp('Since C1=C2 hence stroke theorem is proved');